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Finding the Fourth Proportional to 1,352,409, 1,866,382.76 and 748,797

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Solution

The fourth proportional to 1,352,409, 1,866,382.76 and 748,797 is: 1,033,372.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,352,409 : 1,866,382.76 = 748,797 : x
  2. Step 2: Convert to fraction form
    1,352,409/1,866,382.76 = 748,797/x
  3. Step 3: Cross multiply
    1,352,409x = 1,866,382.76 × 748,797
  4. Step 4: Simplify right side
    1,352,409x = 1,397,541,811,539.72
  5. Step 5: Solve for x
    x = 1,397,541,811,539.72/1,352,409
  6. Step 6: Final answer
    x = 1,033,372.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.